Commit 17d9822d authored by Alexandre Ghiti's avatar Alexandre Ghiti Committed by Helge Deller

parisc: Consider stack randomization for mmap base only when necessary

Do not offset mmap base address because of stack randomization if
current task does not want randomization.
Signed-off-by: default avatarAlexandre Ghiti <alex@ghiti.fr>
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent 37624b58
...@@ -86,7 +86,8 @@ static unsigned long mmap_upper_limit(struct rlimit *rlim_stack) ...@@ -86,7 +86,8 @@ static unsigned long mmap_upper_limit(struct rlimit *rlim_stack)
stack_base = STACK_SIZE_MAX; stack_base = STACK_SIZE_MAX;
/* Add space for stack randomization. */ /* Add space for stack randomization. */
stack_base += (STACK_RND_MASK << PAGE_SHIFT); if (current->flags & PF_RANDOMIZE)
stack_base += (STACK_RND_MASK << PAGE_SHIFT);
return PAGE_ALIGN(STACK_TOP - stack_base); return PAGE_ALIGN(STACK_TOP - stack_base);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment